add new API for mouse and fix bug with crash upon load session

1 files changed, 135 insertions, 0 deletions

diff --git a/src/client/mouse_buffer.c b/src/client/mouse_buffer.c
new file mode 100644
index 0000000..9888c44
--- /dev/null
+++ b/src/client/mouse_buffer.c
@@ -0,0 +1,135 @@
+#include <SDL.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
+
+#include "main.h"
+#include "list.h"
+#include "mouse_buffer.h"
+
+static list_t *list_event;
+
+typedef struct mouse_event_struct
+{
+	Uint8 button;
+	int x;
+	int y;
+} mouse_event_t;
+
+static mouse_event_t* mouse_event_new(int x, int y, Uint8 button)
+{
+	mouse_event_t *mouse_event;
+
+	mouse_event = malloc(sizeof(mouse_event_t));
+	mouse_event->x = x;
+	mouse_event->y = y;
+	mouse_event->button = button;
+
+	return mouse_event;
+}
+
+static void mouse_event_destroy(mouse_event_t *mouse_event)
+{
+	assert(mouse_event != NULL);
+	free(mouse_event);
+}
+
+int mouse_buffer_init()
+{
+	list_event = list_new();
+
+	return 0;
+}
+
+int mouse_buffer_event(SDL_MouseButtonEvent *button)
+{
+	assert(button != NULL);
+	assert(list_event != NULL);
+
+	switch(button->button) {
+		case SDL_BUTTON_LEFT:
+		case SDL_BUTTON_RIGHT:
+			//printf("mouse button - pos(%d,%d)\n", button->x, button->y);
+
+			list_add(list_event, mouse_event_new(button->x, button->y, button->button));
+
+			return 1;
+		break;
+
+		default:
+		break;
+	}
+
+	return 0;
+}
+
+int mouse_buffer_clean()
+{
+	assert(list_event != NULL);
+	list_do_empty(list_event);
+
+	return 0;
+}
+
+bool_t mouse_buffer_is_on_area(int x, int y, int w, int h, unsigned int flag)
+{
+	mouse_event_t *mouse_event;
+	int i;
+
+	assert(list_event != NULL);
+
+	if (flag & MOUSE_BUF_MOTION) {
+		int mouse_x, mouse_y;
+
+		SDL_GetMouseState(&mouse_x, &mouse_y);
+
+		if (mouse_x >= x && mouse_y >= y &&
+		    mouse_x < x+w && mouse_y < y+h) {
+			return TRUE;
+		}
+	} else {
+		for (i = 0; i<list_event->count; i++) {
+			mouse_event = (mouse_event_t *)list_event->list[i];
+
+			if ((mouse_event->x >= x && mouse_event->y >= y && mouse_event->x < x+w && mouse_event->y < y+h) ||
+			    (flag & MOUSE_BUF_AREA_NONE)) {
+				if (flag & MOUSE_BUF_CLICK_LEFT) {
+					if (mouse_event->button == SDL_BUTTON_LEFT) {
+						return TRUE;
+					} else {
+						return FALSE;
+					}
+				}
+
+				if (flag & MOUSE_BUF_CLICK_RIGHT) {
+					if (mouse_event->button == SDL_BUTTON_RIGHT) {
+						return TRUE;
+					} else {
+						return FALSE;
+					}
+				}
+
+				if (flag & MOUSE_BUF_CLICK) {
+					if (mouse_event->button == SDL_BUTTON_LEFT || mouse_event->button == SDL_BUTTON_RIGHT) {
+						return TRUE;
+					} else {
+						return FALSE;
+					}
+				}
+
+				return TRUE;
+			}
+		}
+	}
+
+	return FALSE;
+}
+
+int mouse_buffer_quit()
+{
+	assert(list_event != NULL);
+	list_destroy_item(list_event, mouse_event_destroy);
+
+	return 0;
+}